John 1:20

And he confessed, and denied not; and he confessed, I am not the Christ.

Matthew 3:11-12

I indeed baptize you in water unto repentance, but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you in the Holy Spirit and in fire:

Mark 1:7-8

And he preached, saying, There cometh after me he that is mightier than I, the latchet of whose shoes I am not worthy to stoop down and unloose.

Luke 3:15-17

And as the people were in expectation, and all men reasoned in their hearts concerning John, whether haply he were the Christ;

John 3:28-36

Ye yourselves bear me witness, that I said, I am not the Christ, but, that I am sent before him.

Treasury of Scripture Knowledge

Summary

And he confessed, and denied not; but confessed, I am not the Christ.

Bible References

General references

John 3:28
Ye yourselves bear me witness, that I said, I am not the Christ, but, that I am sent before him.
Matthew 3:11
I indeed baptize you in water unto repentance, but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you in the Holy Spirit and in fire:
Mark 1:7
And he preached, saying, There cometh after me he that is mightier than I, the latchet of whose shoes I am not worthy to stoop down and unloose.
Luke 3:15
And as the people were in expectation, and all men reasoned in their hearts concerning John, whether haply he were the Christ;

American Standard Version Public Domain